oci,citing,cited,creation,timespan,journal_sc,author_sc
0,paper-a,paper-c,2000-01-01,xxx,no,no
1,paper-a,paper-d,2000-01-01,xxx,no,no
2,paper-a,paper-e,2000-01-01,xxx,no,no
3,paper-b,paper-c,2000-01-01,xxx,no,no
4,paper-b,paper-e,2000-01-01,xxx,no,no
5,paper-x,paper-y,2000-01-01,xxx,no,no
